275528055550 has 48 divisors (see below), whose sum is σ = 564606947664. Its totient is φ = 99200000000.

The previous prime is 275528055503. The next prime is 275528055589. The reversal of 275528055550 is 55550825572.

It is a junction number, because it is equal to n+sod(n) for n = 275528055494 and 275528055503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2424451 + ... + 2535550.

It is an arithmetic number, because the mean of its divisors is an integer number (11762644743).

Almost surely, 2^275528055550 is an apocalyptic number.

275528055550 is an abundant number, since it is smaller than the sum of its proper divisors (289078892114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275528055550 is a wasteful number, since it uses less digits than its factorization.

275528055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960125 (or 4960120 counting only the distinct ones).

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 275528055550 in words is "two hundred seventy-five billion, five hundred twenty-eight million, fifty-five thousand, five hundred fifty".